CN113981675B - Preparation method of photo-induced heating textile - Google Patents
Preparation method of photo-induced heating textile Download PDFInfo
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- CN113981675B CN113981675B CN202111357453.6A CN202111357453A CN113981675B CN 113981675 B CN113981675 B CN 113981675B CN 202111357453 A CN202111357453 A CN 202111357453A CN 113981675 B CN113981675 B CN 113981675B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/15—Proteins or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
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Abstract
The invention provides a preparation method of a photo-induced heating textile, which comprises the steps of firstly loading photo-induced heating nano materials on natural powder to obtain photo-induced heating composite powder, and then finishing the photo-induced heating composite powder on the textile in a padding mode under the action of a thickening agent and an adhesive to obtain the textile with photo-induced photo-thermal function. The natural powder is favorable for the adhesion of the photo-induced heating nano material on the surface of the textile and the absorption of light, so that the hygroscopicity and the comfort of the textile are improved; the photoinduced heating nano material not only enables the textile to realize high-efficiency photothermal conversion, but also can improve the strength, the wear resistance and the toughness of the textile and prolong the service life of the textile because of good strength and toughness. The photo-induced heating textile manufactured by the method has high photo-thermal conversion efficiency and good usability, and the defects of the traditional heating textile are overcome; and the method has the advantages of short process period, low production cost, wide application range, strong practicability and good industrial application prospect.
Description
Technical Field
The invention relates to the technical field of functional textile preparation, in particular to a preparation method of a photoinduced heating textile.
Background
Textiles refer to fibers and fibrous articles, and are embodied as fibers, yarns, fabrics, and composites thereof. "fiber and fiber product" means that the textile is not only a raw material for textile processing, but also a product, which is a fiber aggregate processed by textile. Textile materials are an important component of soft matter materials and are used in large numbers in apparel and household textiles.
With the development of society and the improvement of living standard, the requirements of people on clothes and daily textiles are higher and higher, and the clothes are required to have attractive appearance, comfort and wear resistance; it is also required to have more specific functions including heat generating and insulating functions. The heating clothes have great advantages in the aspects of warming in winter, resisting cold and the like, can permanently heat and preserve heat, and improve the wearing comfort of people. In order to realize the heating function of clothes, a heating module is added in the clothes, and the heating is realized in a mode of converting electricity into heat; however, the additional power supply assembly of this method increases the weight of the clothing, which reduces the wearing comfort and makes it difficult to clean. Or heating metal wires are added into the clothes, the composite heating material is woven with the precursor, and the heat conducting layer adopts non-metal materials such as carbon fiber and the like, so that the method is also a method for realizing electric heat conversion; however, this method is not suitable for daily textiles, and results in poor flexibility of the fibers, thereby affecting the comfort of the article.
The method for realizing the heating function of clothes also comprises the technical improvement of textile materials, and Chinese patent application No. 202011331601.2 discloses a cloth with an infrared heating function and a preparation method thereof, and the infrared absorption coating is added on the cloth or cloth fibers to realize the infrared absorption of the clothes to sunlight, so that the heating function of the clothes is realized. However, the formation of a coating on the textile surface results in reduced wearing comfort and reduced breathability. The Chinese patent (application number 202010458494.3) discloses a preparation method of an energy storage heating fiber and the energy storage heating fiber, wherein nano fillers for heat storage and heating are mixed with polymers to form master batches, and then the master batches are spun to obtain the heating fiber; the heating fiber can realize the absorption of light with a certain wavelength and realize the photo-thermal conversion. However, the preparation process of the method is long, the prepared heating fiber has high requirements on equipment, and the process is complex, so that the cost is increased. In addition, there is technology to design the fabric structure of textile, and the fabric structure is used to realize heat preservation while the fabric absorbs moisture and heats, and the moisture absorption and heating temperature and application range of the fiber material in the technology have great limitation.
In view of the foregoing, there is a need for an improved method for preparing photo-thermal textiles to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a preparation method of a photo-induced heating textile, which adopts natural powder to load photo-induced heating nanometer materials, and then the photo-induced heating nanometer materials are compounded into the textile in a padding mode to obtain the photo-induced heating textile. The method has the advantages of short process preparation period, simplicity, easiness in realization and low production cost; the prepared photo-induced heating textile has high photo-thermal conversion efficiency, good air permeability, hygroscopicity and comfort, and overcomes the defects of the traditional heating textile.
In order to achieve the aim of the invention, the invention provides a preparation method of a photoinduced heating textile, which comprises the following steps:
s1, preparation of photoinduced heating composite powder
Placing natural powder into a mixed solution of an alcohol organic solvent and water, uniformly stirring, adding a photo-induced heating nano material, continuously stirring and uniformly mixing, and sequentially carrying out suction filtration, washing and drying to obtain the photo-induced heating composite powder;
s2, preparation of photoinduced heating slurry
Adding a thickening agent into deionized water, fully stirring until the thickening agent is dissolved, adding an adhesive, continuously stirring uniformly, finally adding the photoinduced heating composite powder obtained in the step S1, and stirring until the photoinduced heating composite powder is uniformly mixed to obtain the photoinduced heating slurry;
s3, preparation of photoinduced heating textile
S31, pre-treating the textile, washing the textile with warm water, and drying at 60-80 ℃ for later use;
s32, soaking the textile in the photoinduced heating slurry, putting the textile to be functionally finished into the photoinduced heating slurry obtained in the step S2 for padding treatment, and sequentially pre-drying, washing and baking to obtain the textile with photoinduced heating function.
As a further improvement of the present invention, in step S1, the mass ratio of the photo-thermal nanomaterial to the natural powder is 0.15% to 25%.
As a further improvement of the present invention, in step S2, the mass fraction of the photo-thermal composite powder in the photo-thermal paste is 0.2% -30%.
As a further improvement of the present invention, in step S1, the natural powder is one or more of wool powder, silk fibroin powder, cotton powder and lignin powder.
As a further improvement of the present invention, in step S1, the photo-heating nanomaterial is one or more of graphene, carbon nanotube, graphene oxide, MXene, boron nitride, polypyrrole, polyaniline, and polydopamine.
As a further improvement of the present invention, in step S32, the padding mode is one padding or two padding, the pre-drying temperature is 60-90 ℃, and the baking temperature is 90-180 ℃.
As a further improvement of the present invention, in step S1, the volume fraction of the alcohol-based organic solvent in the mixed solution is 2% to 50%, and the alcohol-based organic solvent is one of ethanol and isopropanol.
As a further improvement of the present invention, in step S2, the mass fraction of the thickener in the photo-thermal paste is 0.2% to 5%, and the mass fraction of the binder in the photo-thermal paste is 0.1% to 30%.
As a further improvement of the invention, the thickener is one or more of chitosan, sodium alginate and polyvinylpyrrolidone.
As a further improvement of the present invention, the textile is one of a fiber, a yarn, a woven fabric, a knitted fabric and a nonwoven fabric.
The beneficial effects of the invention are as follows:
1. according to the preparation method of the photo-induced heating textile, photo-induced heating nano materials are loaded on natural powder in a mixed solution of an alcohol organic solvent and water to obtain photo-induced heating composite powder; and then loading the photoinduced heating composite powder on the textile in a padding mode under the action of a thickening agent and an adhesive to obtain the textile with photoinduced heating function. The method has the advantages of short process preparation period, simple process and easy realization, is suitable for all kinds of textiles, and has wide application range and low production cost; the prepared photo-induced heating textile has high photo-thermal conversion efficiency, good air permeability, hygroscopicity and comfort, and overcomes the defects of the traditional heating textile.
2. The invention adopts natural powder to load the photo-induced heating nano material to prepare photo-induced heating composite powder, and then the photo-induced heating composite powder is compounded into textiles, so that the photo-induced heating composite powder has photo-induced heating function. The polar groups in the natural powder molecules enhance the interaction force among the component materials, so that the powder forms a relatively stable system after the photoinduced heating nano particles are loaded, the aggregation of the powder can be effectively reduced, and the light absorption area is increased; meanwhile, the affinity between the natural powder and the textile is good, and the natural powder can provide a larger specific surface area as a medium, so that the relative contact area of the photo-induced heating nano material on the surface of the textile is increased, the interfacial binding force between the photo-induced heating nano material and the textile is improved, the adhesion force is enhanced, and the adhesion of the photo-induced heating nano material on the surface of the textile is facilitated. In addition, the existence of the natural powder can improve the hygroscopicity of the textile, and improve the influence of the photo-induced heating nano material on the flexibility of the textile, thereby improving the comfort of the textile. The photoinduced heating nano material not only enables the textile to realize efficient photothermal conversion, but also achieves the effects of continuous heating and heat preservation; the photoinduced heating nano material has higher strength and good toughness, and can be compounded into textiles to improve the strength, wear resistance and toughness of the textiles and prolong the service life of the textiles.
3. The photoinduced heating textile prepared by the invention can more completely preserve the structure and the structure of the textile, thereby avoiding influencing the structural performance and the mechanical performance of the textile; the technical scheme can be used for all textiles, such as fibers, yarns, woven fabrics, knitted fabrics, non-woven fabrics and the like, and when the novel fiber fabric is used for chemical fiber textiles, the defects of chemical fiber materials can be improved to a certain extent, so that the novel fiber fabric has good wear resistance, hygroscopicity, air permeability and comfort. The method has the advantages of wide application range and strong practicability, is convenient for mass production, and has better industrial application prospect.
Drawings
FIG. 1 is an electron microscope image of the photo-thermal powder prepared in example 1 of the present invention.
Fig. 2 is an electron microscope image of the photo-thermal polyester yarn prepared in example 1 of the present invention.
Fig. 3 is an electron microscope image of untreated polyester yarn of example 1 of the present invention.
FIG. 4 is a representative graph of temperature gradients; wherein (a) is untreated polyester yarn, (b) is graphene oxide powder, (c) is the photoinduced heating composite powder prepared in example 1, and (d) is the photoinduced heating polyester yarn prepared in example 1.
FIG. 5 is an electron microscope image of the photo-thermal composite powder prepared in example 2 of the present invention.
Fig. 6 is an electron microscope image of the photo-thermal polyester yarn prepared in example 2 of the present invention.
Fig. 7 is a graph showing the results of light reflectivity of silk powder, 1% graphene oxide silk powder and 3% graphene oxide silk powder in the wavelength range of 200nm to 2500 nm.
Fig. 8 (a) and (b) are graphs showing the change of the heat generation temperature with time of the composite powder in examples 1 and 2 and comparative example 1, respectively, and the prepared photo-thermal polyester yarn under simulated sunlight.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
It should be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and/or processing steps closely related to aspects of the present invention are shown in the drawings, and other details not greatly related to the present invention are omitted.
In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
A method for preparing a photo-induced heating textile, wherein the textile is one of fiber, yarn, woven fabric, knitted fabric and non-woven fabric. The method comprises the following steps:
s1, preparation of photoinduced heating composite powder
Placing natural powder into a mixed solution of an alcohol organic solvent and water, stirring for 5-60 min, then adding a photo-induced heating nano material, stirring for 30-120 min at a stirring temperature of 25-90 ℃, sequentially carrying out suction filtration, washing for multiple times, and drying at 60-120 ℃ to obtain photo-induced heating composite powder;
specifically, the mass ratio of the photo-induced heating nano material to the natural powder is 0.15% -25%, the natural powder is one or more of wool powder, silk fibroin powder, cotton powder and lignin powder, and the photo-induced heating nano material is one or more of graphene, carbon nano tube, graphene oxide, MXene, boron nitride, polypyrrole, polyaniline and polydopamine. The volume fraction of the alcohol organic solvent in the mixed solution is 2% -50%, and the alcohol organic solvent is one of ethanol and isopropanol. The bath ratio of the photo-induced heating composite powder to the mixed solution is 1 (5-100).
S2, preparation of photoinduced heating slurry
Adding a thickening agent into deionized water, fully stirring until the thickening agent is dissolved, then adding an adhesive, continuously stirring until the thickening agent is uniform, finally adding the photoinduced heating composite powder obtained in the step S1, and uniformly mixing to obtain photoinduced heating slurry;
specifically, the mass fraction of the photo-induced heating composite powder in the photo-induced heating slurry is 0.2% -30%. The mass fraction of the thickener in the photo-induced heating slurry is 0.2-1%, and the mass fraction of the adhesive in the photo-induced heating slurry is 1-31%. The thickener is one or more of chitosan, sodium alginate and polyvinylpyrrolidone; the addition of the thickener has the purpose of thickening the photo-induced heating slurry, and is beneficial to the loading of the photo-induced heating composite powder on textiles in the subsequent padding process. All stirring temperatures in step S2 are 25-60 ℃.
S3, preparation of photoinduced heating textile
S31, pre-treating the textile, and washing the textile with the low-temperature water to remove the influence of impurities such as dust and the like on the impregnation effect of the photo-induced heating slurry on the textile; and drying at 60-80 ℃ for standby;
s32, soaking the textile in the photoinduced heating slurry, placing the textile to be functionally finished in the photoinduced heating slurry obtained in the step S2 for padding treatment, and sequentially pre-drying, washing and baking to obtain the textile with photoinduced heating function.
Specifically, the pre-drying temperature is 60-90 ℃, the baking temperature is 90-120 ℃, and the padding treatment adopts a one-padding or two-padding mode. The aim of pre-drying is to dry the photo-induced heating textile, and the loaded natural material and the textile can be subjected to chemical reaction by baking at a higher temperature, so that the photo-induced heating composite powder is firmly adhered on the surface of the textile.
Particularly, the invention adopts the natural powder to load the photoinduced heating composite powder of the photoinduced heating nano material, and the photoinduced heating composite powder is compounded into the textile, so that the textile has the photoinduced heating function. The natural powder has better affinity with the textile material, can provide larger specific surface area after being padded and loaded on the surface of the textile material, and is beneficial to the adhesion of the photo-induced heating nano material on the textile surface and the absorption efficiency of light; and the existence of the natural powder can improve the hygroscopicity of the textile, and improve the influence of the photo-induced heating nano material on the flexibility of the textile, thereby improving the comfort of the textile. The photoinduced heating nano material not only enables the textile to realize efficient photothermal conversion, but also achieves the effects of continuous heating and heat preservation; the photoinduced heating nano material has higher strength and good toughness, and can be compounded into textiles, so that the strength, the wear resistance and the toughness of the textiles can be improved, and the service life of the textiles can be prolonged.
According to the technical scheme, when the chemical fiber textile with the photoinduced heating function is prepared, the defects of the chemical fiber material can be improved to a certain extent, so that the chemical fiber textile has good wear resistance, hygroscopicity, air permeability and comfort. The method has the advantages of wide application range and strong practicability, is convenient for mass production, and has better industrial application prospect.
Example 1
The embodiment provides a preparation method of a photoinduced heating textile, wherein the textile adopts polyester yarns, and specifically comprises the following steps:
s1, preparation of photoinduced heating composite powder
Placing silk powder into a mixed solution with the volume ratio of ethanol to water being 1:5, stirring for 10min, then adding graphene oxide nano material, stirring for 40min at the stirring temperature of 60 ℃, carrying out suction filtration, washing for multiple times, and drying at the temperature of 90 ℃ to obtain graphene oxide silk photoinduced heating composite powder;
the mass ratio (owf) of the graphene oxide to the silk powder is 3%, and the bath ratio of the graphene oxide silk photoinduced heating composite powder to the mixed solution is 1:50.
S2, preparation of photoinduced heating slurry
Adding chitosan into deionized water, fully stirring until the chitosan is dissolved, then adding an adhesive, continuously stirring until the chitosan is uniform, finally adding the graphene oxide silk photoinduced heating composite powder obtained in the step S1, and uniformly mixing to obtain graphene oxide silk photoinduced heating slurry;
wherein the mass fraction of the graphene oxide silkworms mercerized heating composite powder in the slurry is 5%, the mass fraction of the chitosan is 0.5%, and the mass fraction of the adhesive is 5%. All stirred temperatures were 40 ℃.
S3, preparation of photoinduced heating polyester yarn
S31, pre-treating the polyester yarns, washing the polyester yarns with warm water, and drying the polyester yarns at 60 ℃ for later use;
s32, padding the polyester yarns with graphene oxide silk photoinduced heating slurry, placing the polyester yarns to be functionally finished into the graphene oxide silk photoinduced heating slurry obtained in the step S2, padding the polyester yarns in a one-padding mode, pre-drying at 70 ℃, washing and baking at 100 ℃; and (3) preparing the polyester yarn loaded with graphene oxide silk composite powder and having a photoinduced heating function.
Referring to fig. 1-3, fig. 1 is an electron microscope image of the photo-thermal composite powder prepared in example 1, fig. 2 is an electron microscope image of the photo-thermal polyester yarn prepared, and fig. 3 is an electron microscope image of the untreated polyester yarn. As can be seen from fig. 1, the silk powder and graphene oxide nanomaterial have a good composite effect; the surface of the polyester yarn in fig. 2 is loaded with the owf of 3% graphene oxide silk photoinduced heating composite powder, while the surface of the untreated polyester yarn in fig. 3 has little dust.
Referring to fig. 4, fig. 4 shows a temperature gradient representation, wherein (a) is untreated polyester yarn, (b) is graphene oxide powder, (c) is the photo-thermal composite powder prepared in example 1, and (d) is the photo-thermal polyester yarn prepared in example 1. In the graph (a), it can be seen that the untreated polyester yarn has low surface temperature and no photo-thermal conversion function; the figures (b) and (c) can show that after graphene oxide is loaded on silk powder, the silk powder carrier does not influence the photo-induced heating effect of the graphene oxide nano material, the polyester yarn loaded with 3% of the graphene oxide silk mercerization heating composite powder has a better heating effect, and compared with the independent graphene oxide silk powder of the figure (c), the photo-induced heating effect of the graphene oxide silk powder is better, because the natural powder has better affinity with a textile material, after being padded on the surface of the textile material, the photo-induced heating composite powder can provide larger specific surface area, and is favorable for adhesion of the photo-induced heating nano material on the surface of the textile and absorption efficiency of light.
Comparative example 1
Comparative example 1 provides a method for preparing a photo-thermal textile, which is different from example 1 in that in step S1, graphene oxide nanomaterial is not added and only silk powder is added; the remainder is substantially the same as that of example 1, and will not be described in detail here.
Comparative example 2
Comparative example 2 provides a method for preparing a photo-thermal textile, which is different from example 1 in that in step S1, silk powder is not added and only graphene oxide nanomaterial is added; the remainder is substantially the same as that of example 1, and will not be described in detail here.
Example 2
Embodiment 2 provides a method for preparing a photo-thermal textile, which is different from embodiment 1 in that in step S1, the mass ratio (owf) of graphene to silk powder is 1%, and the rest is substantially the same as embodiment 1, and is not described herein.
Referring to fig. 5-6, fig. 5 is an electron microscope image of the photo-thermal composite powder prepared in example 2, and fig. 6 is an electron microscope image of the photo-thermal polyester yarn prepared. As can be seen from fig. 5, the silk powder and graphene oxide nanomaterial have a better compounding effect; the graphene oxide silk photoinduced heating composite powder with the owf of 1% on the surface of the polyester yarn in fig. 6 has a good loading effect.
Referring to fig. 7, fig. 7 is a graph showing the light reflectance results of silk powder, 3% graphene oxide silk powder of example 1 and 1% graphene oxide silk powder of example 2 in the wavelength range of 200nm to 2500 nm. The silk powder has the strongest light absorption capacity, and experiments prove that the silk powder has high light absorption rate but does not have the photo-induced heating effect; the reflectivity of the 3% graphene oxide silk powder is lower than that of the 1% photo-induced heating graphene oxide silk powder, which indicates that the absorption capacity of the photo-induced heating graphene oxide silk powder to light is strongest.
Referring to fig. 8, fig. 8 is a graph showing the change of the heating temperature of (a) different powders and (b) different polyester yarns with time under simulated sunlight. As can be seen from the graph (a), the composite powder loaded with the graphene oxide has better heating effect, and the higher the owf of the graphene oxide is, the better the heating effect is; the graph (b) shows that the untreated polyester yarn has almost no temperature change, and the polyester yarn loaded with the graphene oxide silk powder has the temperature rising along with the time increase, which indicates that the polyester yarn realizes a better photoinduced heating function.
Examples 3 to 6
Embodiments 3-6 provide a method for preparing a photo-thermal textile, which is different from embodiment 1 in that in step S1, the mass ratio (owf) of graphene oxide to silk powder is 2%, 4%, 10% and 15%, and the rest is substantially the same as embodiment 1, and is not described here again.
In summary, the invention provides a method for preparing a photo-induced heating textile, which comprises loading photo-induced heating nano-materials onto natural powder in a mixed solution of an alcohol organic solvent and water to obtain photo-induced heating composite powder; and then loading the photoinduced heating composite powder on the textile in a padding mode under the action of a thickening agent and an adhesive to obtain the photoinduced heating textile. The natural powder is favorable for the adhesion of the photo-induced heating nano material on the surface of the textile and the absorption efficiency of light, so that the hygroscopicity of the textile can be improved, and the influence of the photo-induced heating nano material on the flexibility of the textile can be improved, thereby improving the comfort of the textile. The photoinduced heating nano material not only enables the textile to realize efficient photothermal conversion, but also achieves the effects of continuous heating and heat preservation; the photoinduced heating nano material has higher strength and good toughness, and can be compounded into textiles, so that the strength, the wear resistance and the toughness of the textiles can be improved, and the service life of the textiles can be prolonged. The invention can be used for all textiles, such as fibers, yarns, woven fabrics, knitted fabrics, non-woven fabrics and the like, has the advantages of wide application range and strong practicability, is convenient for mass production, and has better industrial application prospect.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. A method for preparing a photo-induced heating textile, which is characterized by comprising the following steps:
s1, preparation of photoinduced heating composite powder
Placing natural powder into a mixed solution of an alcohol organic solvent and water, uniformly stirring, adding a photo-induced heating nano material, continuously stirring and uniformly mixing, and sequentially carrying out suction filtration, washing and drying to obtain the photo-induced heating composite powder; the natural powder is one or more of wool powder, silk fibroin powder, cotton powder and lignin powder; the photoinduced heating nano material is one or more of graphene, carbon nano tube, graphene oxide, MXene, boron nitride, polypyrrole, polyaniline and polydopamine;
s2, preparation of photoinduced heating slurry
Adding a thickening agent into deionized water, fully stirring until the thickening agent is dissolved, adding an adhesive, continuously stirring uniformly, finally adding the photoinduced heating composite powder obtained in the step S1, and stirring until the photoinduced heating composite powder is uniformly mixed to obtain the photoinduced heating slurry; the thickening agent is one or more of chitosan, sodium alginate and polyvinylpyrrolidone;
s3, preparation of photoinduced heating textile
And (2) placing the textile to be functionally finished in the photoinduced heating slurry obtained in the step (S2) for padding treatment, and sequentially performing pre-drying, washing and baking to obtain the textile with photoinduced heating function.
2. The method for preparing a photo-thermal textile according to claim 1, wherein in the step S1, the mass ratio of the photo-thermal nanomaterial to the natural powder is 0.15% -25%.
3. The method for preparing a photo-thermal textile according to claim 1, wherein in step S2, the mass fraction of the photo-thermal composite powder in the photo-thermal paste is 0.2% -30%.
4. The method of manufacturing a photo-thermal textile product according to claim 1, wherein in step S3, the padding mode is one padding or two padding, the pre-drying temperature is 60-90 ℃, and the baking temperature is 90-180 ℃.
5. The method for preparing a photo-thermal textile according to claim 1, wherein in step S1, the volume fraction of the alcohol-based organic solvent in the mixed solution is 2% -50%, and the alcohol-based organic solvent is one of ethanol and isopropanol.
6. The method of producing a photo-thermal textile according to claim 1, wherein in step S2, the mass fraction of the thickener in the photo-thermal paste is 0.2% to 5%, and the mass fraction of the binder in the photo-thermal paste is 0.1% to 30%.
7. The method of producing a photothermic textile according to claim 1, wherein the textile is one of a fiber, a yarn, a woven fabric, a knitted fabric, and a nonwoven fabric.
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